Often it has been taken that a truthful person commands more respect in society A person is chosen at - Maths - Probability

Question

Often it has been taken that a truthful person commands more
respect in society A person is chosen at random from amongst from
first 500 (natural number) What is probability that a person chosen
is divisible by 3or 5 Do you agree that the value of truthfulness
leads to more respect in the society ? Give at least two valid
points

Lovina Kansal · Accepted Answer

Dear student
From 1 to 500, number of multiples of 5=5,10,15,20,25,
500=100 numberFrom 1 to 500, number of multiples of 3=13,6,9,
498=16666So, total numbers which are multiple of 5 or 5=100+166=266Hence probability=Number of favourable eventsNumber of sample=266500=133250